X0202 4 2006-02-17 0 0000873364 CEPHALON INC CEPH 0001209721 OSBORN JOHN E 41 MOORES ROAD FRAZER PA 19355 0 1 0 0 Sr. VP, General Counsel & Sec. Common Stock 2006-02-17 4 S 0 200 73.79 D 47521 D Common Stock 2006-02-17 4 S 0 1596 73.78 D 45925 D Common Stock 2006-02-17 4 S 0 900 73.75 D 45025 D Common Stock 2006-02-17 4 S 0 100 73.74 D 44925 D Common Stock 2006-02-17 4 S 0 1000 73.73 D 43925 D Common Stock 2006-02-17 4 S 0 1000 73.72 D 42925 D Common Stock 2006-02-17 4 S 0 1100 73.71 D 41825 D Common Stock 2006-02-17 4 S 0 100 73.7 D 41725 D Common Stock 2006-02-17 4 S 0 900 73.68 D 40825 D Common Stock 2006-02-17 4 S 0 196 73.67 D 40629 D Common Stock 2006-02-17 4 S 0 1700 73.53 D 38929 D Common Stock 2006-02-17 4 S 0 600 73.52 D 38329 D Common Stock 2006-02-17 4 S 0 2025 73.51 D 36304 D Common Stock 2006-02-17 4 S 0 304 73.5 D 36000 D Common Stock 2006-02-21 4 M 0 41625 51.17 A 77625 D Common Stock 2006-02-21 4 S 0 15000 74.55 D 62625 D Common Stock 2006-02-21 4 S 0 16625 74.25 D 46000 D Common Stock 2006-02-21 4 S 0 1155 74.18 D 44845 D Common Stock 2006-02-21 4 S 0 700 74.16 D 44145 D Common Stock 2006-02-21 4 S 0 500 74.14 D 43645 D Common Stock 2006-02-21 4 S 0 100 74.13 D 43545 D Common Stock 2006-02-21 4 S 0 800 74.09 D 42745 D Common Stock 2006-02-21 4 S 0 100 74.05 D 42645 D Common Stock 2006-02-21 4 S 0 200 74.04 D 42445 D Common Stock 2006-02-21 4 S 0 100 74.03 D 42345 D Common Stock 2006-02-21 4 S 0 227 74.01 D 42118 D Common Stock 2006-02-21 4 S 0 400 74 D 41718 D Common Stock 2006-02-21 4 S 0 500 73.99 D 41218 D Common Stock 2006-02-21 4 S 0 200 73.98 D 41018 D Common Stock 2006-02-21 4 S 0 200 73.97 D 40818 D By: Carolyn S. Iosca For: John E. Osborn 2006-02-22